139594 has 24 divisors (see below), whose sum is σ = 263520. Its totient is φ = 54288.

The previous prime is 139591. The next prime is 139597. The reversal of 139594 is 495931.

139594 = T₁₄₀ + T₁₄₁ + ... + T₁₅₂.

It is an interprime number because it is at equal distance from previous prime (139591) and next prime (139597).

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

Its product of digits (4860) is a multiple of the sum of its prime divisors (81).

It is not an unprimeable number, because it can be changed into a prime (139591) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2337 + ... + 2395.

It is an arithmetic number, because the mean of its divisors is an integer number (10980).

2¹³⁹⁵⁹⁴ is an apocalyptic number.

139594 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

139594 is a deficient number, since it is larger than the sum of its proper divisors (123926).

139594 is a wasteful number, since it uses less digits than its factorization.

139594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 81 counting only the distinct ones).

The product of its digits is 4860, while the sum is 31.

The square root of 139594 is about 373.6228044432. The cubic root of 139594 is about 51.8746983096.

The spelling of 139594 in words is "one hundred thirty-nine thousand, five hundred ninety-four".